ITPG20100004A1 - WIND POWER ELECTRIC CONVERSION SYSTEM WITH CONTROLLING PROPELLERS AND CABLE SHAFT GENERATORS - Google Patents

WIND POWER ELECTRIC CONVERSION SYSTEM WITH CONTROLLING PROPELLERS AND CABLE SHAFT GENERATORS Download PDF

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Publication number
ITPG20100004A1
ITPG20100004A1 IT000004A ITPG20100004A ITPG20100004A1 IT PG20100004 A1 ITPG20100004 A1 IT PG20100004A1 IT 000004 A IT000004 A IT 000004A IT PG20100004 A ITPG20100004 A IT PG20100004A IT PG20100004 A1 ITPG20100004 A1 IT PG20100004A1
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IT
Italy
Prior art keywords
generators
gear box
shaft
conversion system
hollow
Prior art date
Application number
IT000004A
Other languages
Italian (it)
Inventor
Mauro Marchionni
Original Assignee
Aeroconsult Int Srl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aeroconsult Int Srl filed Critical Aeroconsult Int Srl
Priority to IT000004A priority Critical patent/ITPG20100004A1/en
Publication of ITPG20100004A1 publication Critical patent/ITPG20100004A1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • F03D1/025Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors coaxially arranged
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00Function
    • F05B2260/40Transmission of power
    • F05B2260/403Transmission of power through the shape of the drive components
    • F05B2260/4031Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40311Transmission of power through the shape of the drive components as in toothed gearing of the epicyclic, planetary or differential type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)

Description

DESCRIZIONE dell’invenzione industriale avente per TITOLO: DESCRIPTION of the industrial invention with TITLE:

SISTEMA di CONVERSIONE ELETTRICA della ENERGIA EOLICA con ELICHE CONTROROTANTI e GENERATORI ad ALBERO CAVO ELECTRIC CONVERSION SYSTEM of WIND ENERGY with COUNTER-ROTATING PROPELLERS and HOLLOW SHAFT GENERATORS

“AEROGENERATORE VOLANTE AD ASSETTO VARIABILE”. “FLYING WIND GENERATOR WITH VARIABLE TRIM”.

Prima di procedere alla descrizione della invenzione è opportuno puntualizzare che per ragioni di chiarezza dei disegni, che devono per forza rientrare nel piccolo formato A4, sono stati omessi una serie di particolari meccanici usuali in ogni costruzione meccanica ma che nella fattispecie avrebbero solo complicato la comprensione del vero aspetto innovativo del presente trovato. Before proceeding with the description of the invention, it should be pointed out that for reasons of clarity of the drawings, which must necessarily fall within the small A4 format, a series of mechanical details which are usual in any mechanical construction but which in this case would have only complicated the understanding have been omitted. of the true innovative aspect of the present invention.

In particolare i disegni allegati sono stati compilati secondo le seguenti regole: In particular, the attached drawings have been compiled according to the following rules:

• I cuscinetti sono tutti radiali anche dove è evidentemente necessario porre cuscinetti obliqui o conici • The bearings are all radial even where it is obviously necessary to place oblique or tapered bearings

• Le guarnizioni non sono state quasi mai indicate • Seals were almost never indicated

• Gli alberi di trasmissione cavi coassiali (4),(5) e (11) hanno naturalmente bisogno di cuscinetti intermedi, non raffigurati nei disegni, che andranno posizionati ove i calcoli lo richiederanno in funzione della loro lunghezza effettiva e della velocità di rotazione definitiva • L’albero di trasmissione (11) che aziona i generatori (14) e (15) è stato raffigurato come pezzo unico anche se nella realtà sarà quasi certamente realizzato in almeno due tronconi meccanicamente collegati tra di loro • The coaxial hollow transmission shafts (4), (5) and (11) naturally need intermediate bearings, not shown in the drawings, which will be positioned where the calculations require it according to their effective length and the definitive speed of rotation. • The transmission shaft (11) that drives the generators (14) and (15) has been shown as a single piece even if in reality it will almost certainly be made in at least two sections mechanically connected to each other

Due eliche controrotanti (1) e (2) sono messe in rotazione dal vento ed azionano due alberi di trasmissione cavi coassiali (4) e (5). L’albero (5) aziona la corona di una gear box epicicloidale (8) che a sua volta fa ruotare le ruote satellitari (19) le quali ancora mettono in rotazione, a una velocità maggiore di quella della corona (8), le ruote solari (o pignoni) (7). Il pignone (7) mette in rotazione l’albero (11) che è solidale alle masse rotoriche (9) dei generatori elettrici (14) e (15). L’albero (11), come già detto, è raffigurato come formato da un unico pezzo mentre nella realtà costruttiva sarà formato da almeno due semialberi collegati meccanicamente tra di loro. Two counter-rotating propellers (1) and (2) are rotated by the wind and drive two coaxial cable transmission shafts (4) and (5). The shaft (5) drives the crown of a planetary gear box (8) which in turn rotates the satellite wheels (19) which still rotate the wheels at a speed greater than that of the crown (8). solar panels (or pinions) (7). The pinion (7) rotates the shaft (11) which is integral with the rotor masses (9) of the electric generators (14) and (15). The shaft (11), as already mentioned, is depicted as formed by a single piece while in construction reality it will be formed by at least two half-shafts mechanically connected to each other.

L’elica (1) aziona l’albero cavo (4) che attraversa coassialmente la gear box (13) e tutta la serie di generatori elettrici (14),(15),(16) e (17) di fig.1 fino a giungere alla gear box (18) ove si collega alla corona (8) che a sua volta, analogamente a quanto avveniva per i generatori (14) e (15) fa ruotare l’albero (20) (anche ora raffigurato in solo pezzo) e, di conseguenza, le masse rotoriche dei generatori (16) e (17) convertendo così la energia meccanica del vento in energia elettrica. The propeller (1) drives the hollow shaft (4) which coaxially crosses the gear box (13) and the whole series of electric generators (14), (15), (16) and (17) of fig. 1 up to reach the gear box (18) where it is connected to the crown (8) which in turn, similarly to what happened for the generators (14) and (15), rotates the shaft (20) (also now shown in one piece only ) and, consequently, the rotor masses of the generators (16) and (17) thus converting the mechanical energy of the wind into electrical energy.

Si rammenta che nei disegni l’albero (4) non poggia su cuscinetti intermedi ma solo sui cuscinetti finali del riduttore (18) anche se nella realtà andranno obbligatoriamente previsti cuscinetti intermedi posizionati in funzione della lunghezza reale dell’albero e della sua velocità di rotazione. I generatori elettrici indicati in fig.1 e in fig.3 sono in numero di quattro ma potrebbero anche essere solamente due (o anche di più) in funzione della taglia dell’aerogeneratore che si vorrà realizzare. E’ comunque chiaro che anche nel caso di due soli generatori elettrici le gear boxes (13) e (18) dovranno comunque essere in numero di due essendo ognuna di esse collegata a una delle due eliche. Nella fig.2 è riportata ingrandita e per maggior chiarezza la prima gear box (13) con il primo generatore elettrico (14). It should be remembered that in the drawings the shaft (4) does not rest on intermediate bearings but only on the final bearings of the reducer (18) even if in reality intermediate bearings positioned according to the real length of the shaft and its rotation speed must be provided. . The electric generators shown in fig. 1 and fig. 3 are four in number but could also be only two (or even more) depending on the size of the wind turbine to be built. However, it is clear that even in the case of only two electric generators, the gear boxes (13) and (18) must still be two in number as each of them is connected to one of the two propellers. Fig. 2 shows the first gear box (13) with the first electric generator (14) enlarged and for greater clarity.

Nella fig.3 è riportata una variante del sistema di generazione qui rivendicato; in questo caso infatti, senza nulla togliere alla funzionalità del sistema, la gear box (22) ha ingranaggi interni praticamente uguali alla (13) ma diversa è la carcassa poiché detta gear box (22) va posizionata in posizione intermedia tra i generatori (15) e (16) anziché alla estremità della catena cinematica così raffigurato in fig.1. In questo caso di fig.3, pertanto,i due generatori finali (23) non avranno alberi cavi perché non più necessari. Figure 3 shows a variant of the generation system claimed herein; in this case, in fact, without detracting from the functionality of the system, the gear box (22) has internal gears practically the same as (13) but the casing is different because said gear box (22) must be positioned in an intermediate position between the generators (15 ) and (16) instead of at the end of the kinematic chain thus depicted in fig. 1. In this case of fig. 3, therefore, the two final generators (23) will not have hollow shafts because they are no longer necessary.

Le alette di raffreddamento (12) sono indicate con andamento circonferenziale rispetto ai generatori di corrente ma potrebbero anche essere parallele all’asse principale della macchina in funzione di come si vorrà direzionare il flusso d’aria di raffreddamento. The cooling fins (12) are indicated with a circumferential trend with respect to the current generators but could also be parallel to the main axis of the machine depending on how you want to direct the cooling air flow.

LEGENDA LEGEND

1. elica n.1 solidale all’albero cavo (4) 1. propeller 1 integral with the hollow shaft (4)

2. elica n.2 solidale all’albero cavo (5) 2. propeller 2 integral with the hollow shaft (5)

3. ogiva 3. ogive

4. albero cavo interno tra elica (1) e gear box epicicloidale (18) 4. internal hollow shaft between propeller (1) and planetary gear box (18)

5. albero cavo esterno tra elica (2) e gear box epicicloidale (13) 5. external hollow shaft between propeller (2) and planetary gear box (13)

6. carcassa delle gear boxes 6. gear box casing

7. ruote solari (o pignoni) delle gear boxes (13) e (18) solidali rispettivamente agli alberi cavi (11) e (20) e, quindi, alle masse rotoriche (9) 7. sun wheels (or pinions) of the gear boxes (13) and (18) integral respectively to the hollow shafts (11) and (20) and, therefore, to the rotor masses (9)

8. corona della gear box (13) condotta dall’albero cavo (5) 8. gear box crown (13) driven by the hollow shaft (5)

9. massa rotorica 9. rotor mass

10. massa statorica 10. stator mass

11. albero cavo solidale alle masse rotoriche (9) dei generatori (14) e (15) 11. hollow shaft integral with the rotor weights (9) of the generators (14) and (15)

12. alette di raffreddamento 12. cooling fins

13. gear box epicicloidale per l’azionamento dei generatori (14) e (15) 13. planetary gear box for driving generators (14) and (15)

14. primo generatore ad albero cavo 14. first hollow shaft generator

15. secondo generatore ad albero cavo 15. second hollow shaft generator

16. terzo generatore ad albero cavo 16. third hollow shaft generator

17. quarto generatore ad albero cavo 17. fourth hollow shaft generator

18. gear box epicicloidale per l’azionamento dei generatori (16) e (17) 18. planetary gear box for driving generators (16) and (17)

19. ruote planetarie delle gear boxes (13) e (18) 19. planetary wheels of gear boxes (13) and (18)

20. albero cavo solidale alle masse rotoriche (9) dei generatori (16) e (17) 20. hollow shaft integral with the rotor weights (9) of the generators (16) and (17)

21. supporto esterno collegato alla struttura generale dell’aerostato 21. external support connected to the general structure of the balloon

22. gear box epicicloidale come (13) ma con diversa carcassa esterna 22. planetary gear box like (13) but with different outer casing

23. generatori elettrici con alberi tradizionali non cavi 23. electric generators with traditional non-hollow shafts

Claims (1)

SISTEMA di CONVERSIONE ELETTRICA della ENERGIA EOLICA con ELICHE CONTROROTANTI e GENERATORI ad ALBERO CAVO RIVENDICAZIONI 1. sistema di conversione elettrica della energia eolica formato da due eliche controrotanti (1) e (2) collegate rispettivamente ad alberi cavi coassiali (4) e (5) che azionano generatori elettrici (14),(15),(16),(17) anche essi ad albero cavo per il tramite di gear boxes (13) e (18) 2. sistema di conversione elettrica della energia eolica come in riv.1 nel quale, però, le due eliche controrotanti (1) e (2) azionano rispettivamente solo due generatori elettrici (14) e (17) anzichè quattro essendo non necessari i generatori (15) e (16) ed avvenendo l’azionamento sempre per il tramite delle gear boxes (13) e (18) 3. sistemi di conversione elettrica della energia eolica come in riv.1 e riv.2 nei quali la gear box (18) posizionata alla estrema destra del disegno è ora sostituita da analoga gear box (22) sempre epicicloidale ma con carcassa esterna modificata per poter essere posizionata al centro del sistema di conversione così come indicato in fig.3 4. gear box (13) come in riv.1 nella quale l’albero cavo di entrata (5) è coassiale all’albero, pure cavo (4) che provenendo dall’elica (1) va a mettere in rotazione l’altra gear box (18). 5. gear box (13) come in riv.2 nella quale l’albero in entrata (4) aziona la corona (8) che a sua volta mette in rotazione le ruote satellitari (19) che sono vincolate alla carcassa e fanno ruotare a loro volta il pignone (7) essendo detto pignone rigidamente collegato a un ulteriore albero cavo (11) che fa ruotare le masse rotoriche di generatori di corrente (14) e (15) trasformando, quindi, la energia meccanica raccolta dalle eliche in energia elettrica. 6. gear box (22) ad albero cavo come quella (13) rivendicata come in riv.1 e riv.2 ma con carcassa avente attacco flangiato da ambedue le parti in modo tale da poter essere interposta tra due generatori elettrici (15) e (16). 7. generatore elettrico (14) con albero cavo in modo da poter essere assemblato con altri generatori elettrici come in fig.1 e fig.2ELECTRIC CONVERSION SYSTEM of WIND ENERGY with COUNTER-ROTATING PROPELLERS and HOLLOW SHAFT GENERATORS CLAIMS 1. wind energy conversion system consisting of two counter-rotating propellers (1) and (2) connected respectively to coaxial hollow shafts (4) and (5) which drive electric generators (14), (15), (16), (17) also with hollow shaft through gear boxes (13) and (18) 2. electrical conversion system of wind energy as in rev.1 in which, however, the two counter-rotating propellers (1) and (2 ) operate respectively only two electric generators (14) and (17) instead of four, since the generators (15) and (16) are not necessary and the operation always occurs through the gear boxes (13) and (18) 3. electrical conversion systems for wind energy as in rev.1 and rev.2 in which the gear box (18) positioned at the extreme right of the drawing is now replaced by a similar gear box (22), again epicycloidal but with an external casing modified for can be positioned in the center of the conversion system as shown in fig. 3 4. gear box (13) as in rev.1 in which the hollow input shaft (5) is coaxial to the shaft, also hollow (4) which, coming from the propeller (1), starts the other shaft in rotation gear box (18). 5. gear box (13) as in claim 2 in which the input shaft (4) drives the crown (8) which in turn rotates the satellite wheels (19) which are constrained to the casing and rotate at in turn the pinion (7) being said pinion rigidly connected to a further hollow shaft (11) which rotates the rotor masses of current generators (14) and (15) thus transforming the mechanical energy collected by the propellers into electrical energy . 6. gear box (22) with hollow shaft like the one (13) claimed as in claim 1 and claim 2 but with a casing having a flanged connection on both sides in such a way as to be able to be interposed between two electric generators (15) and (16). 7. electric generator (14) with hollow shaft so that it can be assembled with other electric generators as in fig.1 and fig.2
IT000004A 2010-01-11 2010-01-11 WIND POWER ELECTRIC CONVERSION SYSTEM WITH CONTROLLING PROPELLERS AND CABLE SHAFT GENERATORS ITPG20100004A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT000004A ITPG20100004A1 (en) 2010-01-11 2010-01-11 WIND POWER ELECTRIC CONVERSION SYSTEM WITH CONTROLLING PROPELLERS AND CABLE SHAFT GENERATORS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000004A ITPG20100004A1 (en) 2010-01-11 2010-01-11 WIND POWER ELECTRIC CONVERSION SYSTEM WITH CONTROLLING PROPELLERS AND CABLE SHAFT GENERATORS

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ITPG20100004A1 true ITPG20100004A1 (en) 2011-07-12

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5506453A (en) * 1990-02-09 1996-04-09 Mccombs; John C. Machine for converting wind energy to electrical energy
WO1996011338A1 (en) * 1994-10-07 1996-04-18 Gerald Hehenberger Planetary gear for wind turbines
WO2003016712A1 (en) * 2001-08-10 2003-02-27 Kanki, Kenzou Wind power generator
US6856042B1 (en) * 2003-10-09 2005-02-15 Hisaomi Kubota Wind turbine generator
WO2006016360A2 (en) * 2004-08-10 2006-02-16 Cm2E Ltd. Mechanism for the generation of electrical and/or mechanical power
US20060093482A1 (en) * 2002-09-17 2006-05-04 Andre Wacinski Drive device for a windmill provided with two counter-rotating screws

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5506453A (en) * 1990-02-09 1996-04-09 Mccombs; John C. Machine for converting wind energy to electrical energy
WO1996011338A1 (en) * 1994-10-07 1996-04-18 Gerald Hehenberger Planetary gear for wind turbines
WO2003016712A1 (en) * 2001-08-10 2003-02-27 Kanki, Kenzou Wind power generator
US20060093482A1 (en) * 2002-09-17 2006-05-04 Andre Wacinski Drive device for a windmill provided with two counter-rotating screws
US6856042B1 (en) * 2003-10-09 2005-02-15 Hisaomi Kubota Wind turbine generator
WO2006016360A2 (en) * 2004-08-10 2006-02-16 Cm2E Ltd. Mechanism for the generation of electrical and/or mechanical power

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